Finding the Fourth Proportional to 11,565,691.74, 15,960,749.04 and 6,409,139.40
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Solution
The fourth proportional to 11,565,691.74, 15,960,749.04 and 6,409,139.40 is: 8,844,664.71
Step by Step Solution
- Step 1: Write the proportion equation
11,565,691.74 : 15,960,749.04 = 6,409,139.40 : x - Step 2: Convert to fraction form
11,565,691.74/15,960,749.04 = 6,409,139.40/x - Step 3: Cross multiply
11,565,691.74x = 15,960,749.04 × 6,409,139.40 - Step 4: Simplify right side
11,565,691.74x = 102,294,665,525,776.17 - Step 5: Solve for x
x = 102,294,665,525,776.17/11,565,691.74 - Step 6: Final answer
x = 8,844,664.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.